Home / 1,605,711.47-2,408,664.49-646,163.39

Finding the Fourth Proportional to 1,605,711.47, 2,408,664.49 and 646,163.39

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Solution

The fourth proportional to 1,605,711.47, 2,408,664.49 and 646,163.39 is: 969,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,711.47 : 2,408,664.49 = 646,163.39 : x
  2. Step 2: Convert to fraction form
    1,605,711.47/2,408,664.49 = 646,163.39/x
  3. Step 3: Cross multiply
    1,605,711.47x = 2,408,664.49 × 646,163.39
  4. Step 4: Simplify right side
    1,605,711.47x = 1,556,390,816,637.27
  5. Step 5: Solve for x
    x = 1,556,390,816,637.27/1,605,711.47
  6. Step 6: Final answer
    x = 969,284.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.